Free AI Tools

Calculate costs, compare models, and find the best AI plan for your needs.

AI API Cost Calculator

Calculate the exact cost of using Claude, GPT-4o, GPT-4.5, and Gemini APIs based on your token usage. See per-request and monthly cost estimates.

AI Model Comparison Table

Compare Claude, GPT, and Gemini models side-by-side. Sort by price, speed, context window, and best use case.

AI Subscription vs Pay-Per-Use

Find out whether a $20/mo AI subscription or pay-per-use pricing is cheaper for your usage level. Compare ChatGPT Plus, Claude Pro, Prophet, and more.